ext2fs: WARNING: mount of XXXX denied due to unsupported optional features: needs_recovery

Reply: Marek Zarychta : "Re: ext2fs: WARNING: mount of XXXX denied due to unsupported optional features: needs_recovery"
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From: FreeBSD User <freebsd_at_walstatt-de.de>
Date: Thu, 28 Apr 2022 19:21:45 UTC

Running XigmaNAS 12.3.0.4.9009 on amd64 hardware, we try to mount HDD to rescue them and
store the data on ZFS volumes. Mounting of the HDD doesn't work, FreeBSD 12.3 obviously
lack in some etx2 features, namely "needs_recovery". The kernel reports:

WARNING: mount of da4p3 denied due to unsupported optional features:
needs_recovery

How can this problem be solved?

Thanks in advance,

oh